<template>
    <div class="login-container">
        <el-form
            ref="loginForm"
            :model="loginForm"
            :rules="loginRules"
            class="login-form"
            label-position="left"
        >
            <div class="title-container">
                <h3 class="title">{{title}}</h3>
            </div>
            <!-- 帐号输入框 -->
            <el-form-item prop="account">
                <span class="svg-container">
                    <svg-icon icon-class="user" />
                </span>
                <el-input
                    ref="account"
                    v-model="loginForm.account"
                    name="account"
                    placeholder="管理员帐号 (手机号/邮箱)"
                    tabindex="1"
                    type="text"
                />
            </el-form-item>
            <!-- 密码/验证码输入框 -->
            <el-form-item prop="password">
                <span class="svg-container">
                    <svg-icon icon-class="password" />
                </span>
                <el-input
                    ref="password"
                    @keyup.enter.native="onLoginHandler"
                    v-model="loginForm.password"
                    name="password"
                    placeholder="管理员密码"
                    tabindex="1"
                    type="password"
                />
            </el-form-item>
            <!-- 登录按钮 -->
            <el-button
                :loading="loginBtnloading"
                class="b-login"
                type="primary"
                @click.native.prevent="onLoginHandler"
            >登录</el-button>
        </el-form>
    </div>
</template>

<script>
import { validateUsername, validatePassword } from "@/utils/validate";
import defaultSetting from "@/settings";

export default {
    data() {
        return {
            title: defaultSetting.title,
            loginRules: {
                account: [
                    {
                        required: true,
                        trigger: "blur",
                        validator: validateUsername,
                    },
                ],
                password: [
                    {
                        required: true,
                        trigger: "blur",
                        validator: validatePassword,
                    },
                ],
            },
            loginForm: {
                account: "18391163092",
                password: "111111",
            },
            loginBtnloading: false,
        };
    },
    methods: {
        validateForm() {
            return new Promise((resolve) => {
                this.$refs.loginForm.validate((valid) => {
                    // valid为true或false
                    resolve(valid);
                });
            });
        },
        async onLoginHandler() {
            // 验证表单
            const validateFormResult = await this.validateForm();
            if (validateFormResult === false) {
                return;
            }
            this.loginBtnloading = true;
            // 调用登录的dispatch
            const loginResult = await this.$store.dispatch(
                "user/loginAction",
                this.loginForm,
            );
            if (loginResult !== false) {
                this.$message.success("登录成功");
                // 登录成功 - 跳转去首页
                this.$router.replace({
                    path: "/",
                });
            }
            this.loginBtnloading = false;
        },
    },
};
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
    .login-container .el-input input {
        color: $cursor;
    }
}

/* reset element-ui css */
.login-container {
    .el-input {
        display: inline-block;
        height: 47px;
        width: 85%;

        input {
            background: transparent;
            border: 0px;
            -webkit-appearance: none;
            border-radius: 0px;
            padding: 12px 5px 12px 15px;
            color: $light_gray;
            height: 47px;
            caret-color: $cursor;

            &:-webkit-autofill {
                box-shadow: 0 0 0px 1000px $bg inset !important;
                -webkit-text-fill-color: $cursor !important;
            }
        }
    }

    .el-form-item {
        border: 1px solid rgba(255, 255, 255, 0.1);
        background: rgba(0, 0, 0, 0.1);
        border-radius: 5px;
        color: #454545;
    }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.b-verifycode {
    position: absolute;
    top: 5px;
    right: 5px;
}
.b-login {
    width: 100%;
    margin-bottom: 30px;
}
.login-container {
    min-height: 100%;
    width: 100%;
    background-color: $bg;
    overflow: hidden;

    .login-form {
        position: relative;
        width: 520px;
        max-width: 100%;
        padding: 160px 35px 0;
        margin: 0 auto;
        overflow: hidden;
    }

    .tips {
        font-size: 14px;
        color: #fff;
        margin-bottom: 10px;

        span {
            margin-right: 20px;
            &:first-of-type {
                margin-right: 16px;
            }
        }
    }

    .svg-container {
        padding: 6px 5px 6px 15px;
        color: $dark_gray;
        vertical-align: middle;
        width: 30px;
        display: inline-block;
    }

    .title-container {
        position: relative;

        .title {
            font-size: 26px;
            color: $light_gray;
            margin: 0px auto 40px auto;
            text-align: center;
            font-weight: bold;
        }
    }

    .show-pwd {
        position: absolute;
        right: 10px;
        top: 7px;
        font-size: 16px;
        color: $dark_gray;
        cursor: pointer;
        user-select: none;
    }
}
</style>
